Aerosol transmission Aerosols 1 Air filters 1 Airborne transmission 1 COVID 19 1 Computer viruses 1 Diseases 1 Drops 1 Engineering measures 1 Facility modeling 1 Multi-room facilities 1 Operational changes 1 Risk assessment 1 SARS-CoV-2 infection 1 SARS-CoV-2 transmission 1 Spatially homogeneous 1 Transient behavior 1 Transmissions 1 Ventilation 1 Ventilation systems 1 Virus transmission 1 Viruses 1